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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: tejek who wrote (246400)	8/17/2005 6:29:55 PM
From: neolib	Read Replies (2) \| Respond to of 1572206

I find it interesting that there were three types of humans that initially developed. This is news to me. There are many branches of human like fossils with plenty of argument on where to place each new one found. They all share a common, more distant ancestor, including ones with the Old World apes at some point. If us modern humans had stayed isolated from each other, than we would have branched into half a dozen or more species in perhaps a few 100K years, so you would then have a bunch of intelligent species. Jim is right that life in general is hard to produce but sentient life is nearly off the chart. Does that fact have the same effect on scientists as it does me? From an evolutionary standpoint, I find it interesting that one of the most intelligent species, the crow family, is very distantly related to us, having descended from the dino/reptile line which split from the pre-mammals a long time ago. Dolphins are at least mammals, so we probably share a significant portion of brain evolution with them, but birds are another matter. So, I would guess that intelligence is somewhat inevitable in evolution. I do find that intriguing.